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What number will come next i...

What number will come next in the series and replace the Question Mark? (10, 20, 74, 100, 202, ?)

Correct answers: 53

The first user who solved this task is Erkain Mahajanian.

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Waiting

Jim was startled to see the nonchalant way Jon was taking the fact that his lady love was seen with another man.

"You said you love her and yet you saw her with another man and you didn't knock the guy down?"

"I'm waiting," Jon said.

"Waiting for what?" asked Jim.

"Waiting to catch her with a smaller man."

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Sir John Leslie

Died 3 Nov 1832 at age 66 (born 10 Apr 1766). Scottish physicist and mathematician who first created artificial ice. His practical scientific investigations led to his book Experimental Inquiry Into the Nature and Propagation of Heat (1804), dealing with the fundamental laws of heat radiation. Leslie gave the first correct description of capillary action (1802) and invented many instruments, most notably an accurate differential air thermometer, and also a hygrometer, a photometer, the pyroscope, atmometer and aethrioscope. In 1810, he devised a method of obtaining very low temperatures, by evaporating water in a receiver evacuated with an air-pump but containing a drying agent. His mathematical works include texts on geometry, trigonometry and The Philosophy of Arithmetic.

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